package oprecocerto.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import oprecocerto.commom.Util;
import oprecocerto.entity.CustoFixo;

import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.datastore.KeyFactory;

@SuppressWarnings("serial")
public class CustoFixoServlet extends BaseServlet {

	private static final Logger logger = Logger
			.getLogger(CustoFixoServlet.class.getCanonicalName());

	/**
	 * Get the requested customer entities in JSON format
	 */
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {

		super.doGet(req, resp);
		logger.log(Level.WARNING, "Obtendo lista de custo fixo");
		String searchFor = req.getParameter("q");
		PrintWriter out = resp.getWriter();
		Iterable<Entity> entities = null;
		if (searchFor == null || searchFor.equals("")) {
			entities = CustoFixo.getAllCustoFixo();
			out.println(Util.writeJSON(entities));
		} else {
			entities = CustoFixo.getCustoFixo(searchFor);
			out.println(Util.writeJSON(entities));
		}
		return;
	}

	/**
	 * Insert the new customer
	 */
	protected void doPut(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		logger.log(Level.WARNING, "Criando Custo Fixo");
		String nome = req.getParameter("nome");
		String valor = req.getParameter("valor");
		CustoFixo.createOrUpdateCustoFixo(nome, valor);
	}

	protected void doDelete(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		String nomeCustoFixo = req.getParameter("id");
		logger.log(Level.WARNING, "Deletando Custo Fixo {0}", nomeCustoFixo);
		Key key = KeyFactory.createKey("CustoFixo", nomeCustoFixo);
		try {
//			Iterable<Entity> entities = Util.listChildKeys("Order", key);
//			final List<Key> orderkeys = new ArrayList<Key>();
//			final List<Key> linekeys = new ArrayList<Key>();
//			for (Entity e : entities) {
//				orderkeys.add(e.getKey());
//				Iterable<Entity> lines = Util.listEntities("LineItem",
//						"orderID", String.valueOf(e.getKey().getId()));
//				for (Entity en : lines) {
//					linekeys.add(en.getKey());
//				}
//			}
//			Util.deleteEntity(linekeys);
//			Util.deleteEntity(orderkeys);
			Util.deleteFromCache(key);
			Util.deleteEntity(key);
		} catch (Exception e) {
			String msg = Util.getErrorResponse(e);
			resp.getWriter().print(msg);
		}
	}

	/**
	 * Redirect the call to doDelete or doPut method
	 */
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		String action = req.getParameter("action");
		if (action.equalsIgnoreCase("delete")) {
			doDelete(req, resp);
			return;
		} else if (action.equalsIgnoreCase("put")) {
			doPut(req, resp);
			return;
		}
	}
}
